A376130 - cp's OEIS frontend

A376130 a(1) = 3; for n > 1, a(n) is the smallest palindromic prime containing exactly 3 more digits on each end than a(n-1), with a(n-1) as a central substring.

n	a(n)
1	3
2	1003001
3	1021003001201
4	1211021003001201121
5	1251211021003001201121521
6	1211251211021003001201121521121
7	1041211251211021003001201121521121401
8	1081041211251211021003001201121521121401801
9	1091081041211251211021003001201121521121401801901

[3, 1003001, 1021003001201, 1211021003001201121, 1251211021003001201121521, 1211251211021003001201121521121, 1041211251211021003001201121521121401, 1081041211251211021003001201121521121401801, 1091081041211251211021003001201121521121401801901]

cp's OEIS Frontend

A376130 a(1) = 3; for n > 1, a(n) is the smallest palindromic prime containing exactly 3 more digits on each end than a(n-1), with a(n-1) as a central substring.

Table of values

List of values